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Proof step 9 from proof initsubset-addclass (previous step)

sk = fs ', fis .keys = statfields(fs .class), is_fskey(sk), validstatfield(str, sk, st), sk ∈ statfields(class0), tdname∃(str, class0), initdone(class0, st), validfieldinits(str, fis, st), initundone(fs .class, st) ⊦ fs .class = `java.lang.Object' .class, validstatfield(str, sk, addclass(fs .class, fis, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
fis .keys = statfields(fs .class), validstatfield(str, fs ', st), fs ' ∈ statfields(class0), tdname∃(str, class0), initdone(class0, st), validfieldinits(str, fis, st), initundone(fs .class, st) ⊦ fs .class = `java.lang.Object' .class, validstatfield(str, fs ', addclass(fs .class, fis, st))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_fskey(fs ')])]]